CA2030527A1 - Process and device for attaching a grip and/or pour handle toa bag made of a flexible synthetic material and bag therefrom - Google Patents

Abstract

Process and device for applying a carrying and/or pouring handle to a pouch of flexible synthetic material and pouch thus obtained. The handle (14) is attached to the foil by welding and cutting before said foil is shaped. Application: liquid containers.

Description

Method and device for bringing back a grip handle and / or pouring onto a sachet made of flexible synthetic material and sachet thus obtained The subject of the present invention is a method for reporting a grip and / or pouring handle on a sachet- made of material flexible synbhetic.
The invention also relates to a device for putting implementing this process as well as the sachets thus obtained.
We will refer more generally to the patents granted EP-0197875 and EP-0167469 in the name of the applicant which illustrate the state of the technical and the field concerned, documents to which it is made expressly reference.
These various patents describe the conformation of sachets in flexible synthetic material for packaging liquids, particular mineral water.
A number of structures have already been proposed complementary to bring back a handful of grip and pouring; for example by FR 2 468 066.
Their industrial implementation remains complex, however.
The invention proposes to remedy these various disadvantages of the methods and structures of the prior art.
In accordance with the invention, a method is proposed for bring a handful of gripping and / or pouring on a sachet in flexible synthetic material, characterized in that it consists in bringing said handle on the film, possibly provided with successive layers a reinforcement surfilm, before the shaping of said film into sachets filled with liquid.
Advantageously, the grip and / or pouring handle will be made of a plastic wire or sheath semi-rigid.
Preferably, said handle will be attached to a song from the film in indexed scrolling.
In accordance with the invention, a device is also proposed.
to bring back a handle for grip and / or pouring on a sachet in flexible synthetic material in which the said handle is attached to the film, possibly provided with successive layers of a surfilm of reinforcement before the shaping of said film into sachets filled with liquid, the grip and / or pouring handle consisting of a wire or sheath of semi-rigid synthetic material and the latter being :. ~ ' : '' '~''~' ¦ - 2 _ 2 ~ 3 ~ ~ ~ r7 reported on an edge of the film in indexed movement, characterized in that it includes: -- a wire or sheath supply store in synthetic material semi-rigid, - a system of unwinding and entrainment in a guide sheath said wire or said sheath, - A means of guiding and injecting said wire or ladi ~ e sheath to desired length to bring the free end to the edge of the movie, - a set of solder-cutting to cut the length of wire or desired sheath determined by said guide means and welding it to the movie.
The invention will be better understood using the description made below of an embodiment given by way of example not limiting, with reference to the accompanying drawings in which:
- Figure 1 is a diagram in side elevation of a conforming device to the invention for the implementation of the method according to the invention;
- Figure 2 is a top view of the diagram of Figure 1.
s FIG. 1 shows a film ~ 1) with a surfilm (2) arranged on it sequentially, as shown in the figure

2.
This film scrolls in tension as part of a shaping of a film into cushions of flexible material filled with liquid, as previously stated.
To bring back a gripping and / or pouring means, according to the invention, provision is made:
- a store ~ 3) wire or sheath supply, equipped with a system training (4) of known type, - a guide system by sleeve ~ 5) and guide sheath ~ 6) bringing wire or sheath has, - a set of welding-cutting ~ 7) and a guide and injection means ~ 8) of said wire or said sheath to the desired length.
The guide and injection means ~ 8) consists of two complementary fingerprints ~ ires ~ 9,10) movable relative to each other perpendicular to the plane of the film ~ 1) to clear the wire or sheath when it was welded onto the film.

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2 0 3 0 ~ 7 The imprints internally determine a path (11) in which the wire or sheath penetrates, to reach the film at the place and according to the desired length. -The proximal end (12? Of the impression will be flared for S facilitate the introduction of the wire or sheath.
When the wire or the sheath is injected in position by the drive system (4 ~, it is added by solder-cutting on the edge of the film (1) by the cutting soldering means (7) which is constituted a movable jaw (13) cooperating with a counter-support chin (14) of the imprint (9).
The device obviously works in a sequential manner and indexed, preferably in hori ~ ontal operation, the different servos and automatisms being within the reach of those skilled in the art.
The film with its handle (lS) then continues its path to a conformator not shown.

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Claims (7)

1. Method for bringing back a handful of grips and / or pouring onto a bag made of flexible synthetic material, characterized in that it consists in bringing said handle to the film, possibly provided successive layers of a reinforcement surface film, before shaping of said film in sachets filled with liquid. 2. Method according to claim 1, characterized in that the grip and / or pouring handle consists of a wire or a sheath in semi-rigid synthetic material. 3. Method according to any one of claims 1 and 2, characterized in that said handle is attached to an edge of the film in indexed scrolling. 4. Device for implementing the method according to one any of claims 1 to 3, to report a handful of gripping and / or pouring on a sachet made of flexible synthetic material in which said handle is attached to the film, possibly provided with successive layers of a reinforcement surface before shaping of said film in sachets filled with liquid, the grip handle and / or pouring consisting of a wire or a sheath of synthetic material semi-rigid and the latter being attached to an edge of the film in movement indexed, characterized in that it comprises:
- a plastic wire or sheath supply store (3) semi-rigid, - an unwinding and drive system (4) in a guide sheath said wire or said sheath, a means for guiding and injecting (8) said wire or said sheath at the desired length to bring the free end to the edge of the movie, - a set of solder-cutting to cut the length of wire or desired sheath determined by said guide means and welding it to the movie. 5. Device according to claim 4, characterized in that the guide and injection means (8) consists of two indentations complementary (9,10) movable with respect to each other perpendicular to the plane of the film (1) to expose the wire or the sheath when it was welded onto the film. 6. Device according to claim 5, characterized in that the footprints internally determine a path (11) in which penetrates the wire or the sheath, to reach the film at the place and according to the desired length, the proximal end (12) of the impression being flared to facilitate the introduction of the wire or sheath. 7. Device according to claim 6, characterized in that when the wire or sheath is injected into position by the system drive (4), it is attached by welding-cutting on the edge of the film (1) by the cutting solder means (7) which consists of a movable jaw (13) cooperating with a counter-support chin (14) of the imprint (9).